bpo-45471: Do not set PyConfig.stdlib_dir in Py_SetPythonHome(). (gh-28954)

The change in gh-28586 (bpo-45211) should not have included code to set _Py_path_config.stdlib_dir in Py_SetPythonHome(). We fix that here.

https://bugs.python.org/issue45471

1 files changed, 6 insertions, 1 deletions

diff --git a/Lib/test/test_embed.py b/Lib/test/test_embed.py
index 41e0920..4cbb4c2 100644
--- a/Lib/test/test_embed.py
+++ b/Lib/test/test_embed.py
@@ -1247,6 +1247,11 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
             self.fail(f"Unable to find home in {paths!r}")
 
         prefix = exec_prefix = home
+        if MS_WINDOWS:
+            stdlib = os.path.join(home, sys.platlibdir)
+        else:
+            version = f'{sys.version_info.major}.{sys.version_info.minor}'
+            stdlib = os.path.join(home, sys.platlibdir, f'python{version}')
         expected_paths = self.module_search_paths(prefix=home, exec_prefix=home)
 
         config = {
@@ -1257,7 +1262,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
             'exec_prefix': exec_prefix,
             'base_exec_prefix': exec_prefix,
             'pythonpath_env': paths_str,
-            'stdlib_dir': home,
+            'stdlib_dir': stdlib,
         }
         self.default_program_name(config)
         env = {'TESTHOME': home, 'PYTHONPATH': paths_str}